Home / 10,055.90-15,085.54-4,212.96

Finding the Fourth Proportional to 10,055.90, 15,085.54 and 4,212.96

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Solution

The fourth proportional to 10,055.90, 15,085.54 and 4,212.96 is: 6,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.90 : 15,085.54 = 4,212.96 : x
  2. Step 2: Convert to fraction form
    10,055.90/15,085.54 = 4,212.96/x
  3. Step 3: Cross multiply
    10,055.90x = 15,085.54 × 4,212.96
  4. Step 4: Simplify right side
    10,055.90x = 63,554,776.60
  5. Step 5: Solve for x
    x = 63,554,776.60/10,055.90
  6. Step 6: Final answer
    x = 6,320.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.